Vacuum pump



FIG. 1 is a front perspective view of a vacuum pump showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines in FIGS. 2, 3, 5, 6 and 7 are included for the purpose of illustrating portions of the vacuum pump that form no part of the claimed design. 

CLAIM The ornamental design for a handle for a vacuum pump, as shown. 